GB0922381D0 - Current measuring apparatus - Google Patents

Current measuring apparatus

Info

Publication number
GB0922381D0
GB0922381D0 GBGB0922381.9A GB0922381A GB0922381D0 GB 0922381 D0 GB0922381 D0 GB 0922381D0 GB 0922381 A GB0922381 A GB 0922381A GB 0922381 D0 GB0922381 D0 GB 0922381D0
Authority
GB
United Kingdom
Prior art keywords
measuring apparatus
current measuring
current
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB0922381.9A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Broadcom Networks Edinburgh Ltd
Original Assignee
Gigle Networks Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gigle Networks Ltd filed Critical Gigle Networks Ltd
Priority to GBGB0922381.9A priority Critical patent/GB0922381D0/en
Publication of GB0922381D0 publication Critical patent/GB0922381D0/en
Priority to PCT/GB2010/052132 priority patent/WO2011077121A1/en
Priority to US13/515,464 priority patent/US9001534B2/en
Priority to US14/673,736 priority patent/US9305699B2/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/689—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors with galvanic isolation between the control circuit and the output circuit
    • H03K17/691—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors with galvanic isolation between the control circuit and the output circuit using transformer coupling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/273—Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses inductive isolation means, e.g. transformers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/541—Transformer coupled at the output of an amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GBGB0922381.9A 2009-12-22 2009-12-22 Current measuring apparatus Ceased GB0922381D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB0922381.9A GB0922381D0 (en) 2009-12-22 2009-12-22 Current measuring apparatus
PCT/GB2010/052132 WO2011077121A1 (en) 2009-12-22 2010-12-17 Current measuring apparatus
US13/515,464 US9001534B2 (en) 2009-12-22 2010-12-17 Transformer driver circuit with IC protection circuitry
US14/673,736 US9305699B2 (en) 2009-12-22 2015-03-30 Transformer driver circuit with IC protection circuitry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0922381.9A GB0922381D0 (en) 2009-12-22 2009-12-22 Current measuring apparatus

Publications (1)

Publication Number Publication Date
GB0922381D0 true GB0922381D0 (en) 2010-02-03

Family

ID=41717367

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0922381.9A Ceased GB0922381D0 (en) 2009-12-22 2009-12-22 Current measuring apparatus

Country Status (3)

Country Link
US (2) US9001534B2 (en)
GB (1) GB0922381D0 (en)
WO (1) WO2011077121A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132548B (en) * 2017-06-22 2023-07-25 中国人民解放军第六九O五工厂 Amplifying circuit for Beidou search and rescue device
CN107171585A (en) * 2017-06-22 2017-09-15 合肥美菱股份有限公司 A kind of low-voltage direct inversion self coupling high-voltage alternating electric installation and its control method

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US4030015A (en) * 1975-10-20 1977-06-14 International Business Machines Corporation Pulse width modulated voltage regulator-converter/power converter having push-push regulator-converter means
JPS52107538A (en) * 1976-02-03 1977-09-09 Furuno Electric Co Inverter circuits
US4156210A (en) 1976-10-29 1979-05-22 Biometrics Instrument Corp. Resonant transformer push-pull transistor oscillator
US4052659A (en) * 1976-11-15 1977-10-04 Nasa Overload protection system for power inverter
US4155113A (en) * 1977-10-17 1979-05-15 Litton Systems, Inc. Protective circuit for transistorized inverter-rectifier apparatus
US4293902A (en) * 1979-12-04 1981-10-06 Ael Mirrotel, Ltd. Transformerless fast current limiter with symetry correction for a switched-mode power supply
US4553039A (en) * 1983-11-03 1985-11-12 Stifter Francis J Uninterruptible power supply
US4605997A (en) * 1985-01-22 1986-08-12 Mai Basic Four, Inc. Switch mode converter and improved deadband control therefor
US4764717A (en) * 1986-10-27 1988-08-16 Utah Scientific Advanced Development Center, Inc. Touch-sensitive potentiometer for operator control panel
US4797803A (en) * 1987-12-23 1989-01-10 Dci Technology Switching power supply VCO
US4881023A (en) * 1988-03-04 1989-11-14 Hughes Aircraft Company Hybrid high speed voltage regulator with reduction of miller effect
JPH10199687A (en) * 1997-01-08 1998-07-31 Canon Inc Fluorescent lamp inverter device
US5907481A (en) * 1997-10-31 1999-05-25 Telefonaktiebolaget Lm Ericsson Double ended isolated D.C.--D.C. converter
US5929776A (en) * 1998-03-23 1999-07-27 Motorola, Inc. Low voltage transceiver
US6205043B1 (en) * 1998-09-08 2001-03-20 California Institute Of Technology Power supply with air core transformer and seperated power supplies for high dynamic range
US6275391B1 (en) * 2000-04-06 2001-08-14 General Electric Company Compact push-pull converter and crowbar circuit, and control therefor
US6958922B2 (en) * 2002-07-22 2005-10-25 Magnetic Design Labs Inc. High output power quasi-square wave inverter circuit
US6982886B2 (en) * 2002-12-25 2006-01-03 Rohm Co., Ltd Dc-ac converter parallel operation system and controller ic therefor
JP3696604B2 (en) * 2003-05-23 2005-09-21 ローム株式会社 DC-AC converter and AC power supply method
DE102004033994B4 (en) * 2003-07-16 2017-07-27 Denso Corporation DC-DC converter
US7835164B2 (en) * 2004-04-28 2010-11-16 Intersil Americas Inc. Apparatus and method of employing combined switching and PWM dimming signals to control brightness of cold cathode fluorescent lamps used to backlight liquid crystal displays
US7218541B2 (en) * 2004-07-21 2007-05-15 Dell Products L.P. High efficiency two stage inverter
JP4884665B2 (en) * 2004-11-12 2012-02-29 ローム株式会社 DC-AC converter, its controller IC, and DC-AC converter parallel operation system
US7423891B2 (en) * 2005-05-10 2008-09-09 Pi International Ltd. Inverter device utilizing three switches controlled in a concurrent manner in a resonant transformer
JP4482765B2 (en) * 2005-09-30 2010-06-16 Ｔｄｋ株式会社 Switching power supply
US7719861B2 (en) * 2006-02-22 2010-05-18 Ixys Corporation Signal differentiation with differential conversion circuit
US8885814B2 (en) 2006-07-25 2014-11-11 Broadcom Europe Limited Feedback impedance control for driving a signal
US7443701B2 (en) * 2006-09-05 2008-10-28 Lien Chang Electronic Enterprise Co., Ltd. Double-ended converter
US8269756B2 (en) * 2007-06-15 2012-09-18 The Boeing Company Controllable voltage device drivers and methods of operation therefor
US7830684B2 (en) * 2007-12-12 2010-11-09 Lineage Power Corporation Reverse biasing active snubber

Also Published As

Publication number Publication date
US9305699B2 (en) 2016-04-05
US20150206651A1 (en) 2015-07-23
US9001534B2 (en) 2015-04-07
WO2011077121A1 (en) 2011-06-30
US20120306472A1 (en) 2012-12-06

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)